<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>23 生成器函数实例</title>
</head>

<body>
    <script>
        // 模拟猎取 用户数据 订单数据 商品数据
        function getUsers() {
            setTimeout(() => {
                let data = '用户数据';
                //调用next方法，并且将数据传入
                iterator.next(data);
            }, 1000);
        }

        function getOrders() {
            setTimeout(() => {
                let data = '订单数据';
                iterator.next(data);
            }, 1000);
        }

        function getGoods() {
            setTimeout(() => {
                let data = '商品数据';
                iterator.next(data);
            }, 1000);
        }

        function* gen() {
            let users = yield getUsers();
            console.log(users);
            let orders = yield getOrders();
            console.log(orders);
            let goods = yield getGoods();
            console.log(goods);
        }

        let iterator = gen();
        iterator.next();

        // getUsers();
        // getOrders();
        // getGoods();

    </script>
</body>

</html>